Zebra Finches (IMAGE) University of California - Los Angeles Caption The research team studied male zebra finches, which learn to sing a courtship song from 35 to 100 days after hatching. Credit Reed Hutchinson/UCLA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.